a-be aaaa aaab aaae aaba aabb aabt aaea aata aatt abaa abab abae abaj abat abau abb- abba abbb abbe abbt abee abet abta abtu abua abue abut aeta aett ajab ajat ajba ajee ajet at-t ataa atab atae atat atea atee atta atte attu atua atub auaa aube auja aut- aute baaa baat baba babb babe babu baja baju bata bate batt batu bau- bbau bbbb bbeb bbet beat beau beba bebb bebe beeb beej beet beja beta bete bett betu btaa bttb buat buba bubb bube bubu buea bueu buja buje buju but- buta bute butt eaba eata eate ebba eeea eeee eeta eete eetu etat etee etta ette ettu etua euba jaba jaja jaju jatu jbaa jeat jebb jebe jeet jeju jeta jetb jete jett juab juba jube jubu juja juju juta jute taa- taat taba tabb tabe tabu taju tata tatb tate tatt tatu taua taub taue taut tbta teat teba tebu teej teet teja teju teta tete tett tetu teut ttab ttbb tttt tuae tuat tuba tubb tube tubu tuet tuja tuta tute tutt tutu uata uatu uaua ubba ubbe ubet ubja ueba utau uttu uuta uuuu